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Fix document camera not available crash #69

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merged 1 commit into from
Jun 20, 2024
Merged

Fix document camera not available crash #69

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16 changes: 10 additions & 6 deletions ios/Classes/SwiftCunningDocumentScannerPlugin.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ import VisionKit

@available(iOS 13.0, *)
public class SwiftCunningDocumentScannerPlugin: NSObject, FlutterPlugin, VNDocumentCameraViewControllerDelegate {
var resultChannel :FlutterResult?
var resultChannel: FlutterResult?
var presentingController: VNDocumentCameraViewController?

public static func register(with registrar: FlutterPluginRegistrar) {
Expand All @@ -18,9 +18,13 @@ public class SwiftCunningDocumentScannerPlugin: NSObject, FlutterPlugin, VNDocum
if call.method == "getPictures" {
let presentedVC: UIViewController? = UIApplication.shared.keyWindow?.rootViewController
self.resultChannel = result
self.presentingController = VNDocumentCameraViewController()
self.presentingController!.delegate = self
presentedVC?.present(self.presentingController!, animated: true)
if VNDocumentCameraViewController.isSupported {
self.presentingController = VNDocumentCameraViewController()
self.presentingController!.delegate = self
presentedVC?.present(self.presentingController!, animated: true)
} else {
result(FlutterError(code: "UNAVAILABLE", message: "Document camera is not available on this device", details: nil))
}
} else {
result(FlutterMethodNotImplemented)
return
Expand All @@ -41,7 +45,7 @@ public class SwiftCunningDocumentScannerPlugin: NSObject, FlutterPlugin, VNDocum
df.dateFormat = "yyyyMMdd-HHmmss"
let formattedDate = df.string(from: currentDateTime)
var filenames: [String] = []
for i in 0 ... scan.pageCount - 1 {
for i in 0 ..< scan.pageCount {
let page = scan.imageOfPage(at: i)
let url = tempDirPath.appendingPathComponent(formattedDate + "-\(i).png")
try? page.pngData()?.write(to: url)
Expand All @@ -57,7 +61,7 @@ public class SwiftCunningDocumentScannerPlugin: NSObject, FlutterPlugin, VNDocum
}

public func documentCameraViewController(_ controller: VNDocumentCameraViewController, didFailWithError error: Error) {
resultChannel?(nil)
resultChannel?(FlutterError(code: "ERROR", message: error.localizedDescription, details: nil))
presentingController?.dismiss(animated: true)
}
}
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